32130021230031 has 32 divisors (see below), whose sum is σ = 47443142880000. Its totient is φ = 19262629336320.

The previous prime is 32130021230011. The next prime is 32130021230053. The reversal of 32130021230031 is 13003212003123.

It is not a de Polignac number, because 32130021230031 - 2⁹ = 32130021229519 is a prime.

It is a super-2 number, since 2×32130021230031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130021230011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185702781 + ... + 185875718.

It is an arithmetic number, because the mean of its divisors is an integer number (1482598215000).

Almost surely, 2^{32130021230031} is an apocalyptic number.

32130021230031 is a deficient number, since it is larger than the sum of its proper divisors (15313121649969).

32130021230031 is a wasteful number, since it uses less digits than its factorization.

32130021230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371578599.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32130021230031 its reverse (13003212003123), we get a palindrome (45133233233154).

The spelling of 32130021230031 in words is "thirty-two trillion, one hundred thirty billion, twenty-one million, two hundred thirty thousand, thirty-one".